projectile is fired from the top of a 40 meter high cliff at an angle of 15 degrees BELOW the horizontal and a speed of 25 m/sec. at what angle will it strike the ground? What is the final speed of the projectile when it hits the cliff

A projectile is fired from the ground, reaches a maximum height of 41.0 m and lands a distance of 32.5 m away from the launch point. What was the projectile s launch velocity?     5.6 m/s, 23.6 degrees above horizontal     46.2 m/s, 11.8 degrees above horizontal     28.9 m/s, 78.8 degrees above horizontal     28.4 m/s, 39.4 degrees above horizontal

For a forensics experiment, a student decides to measure the muzzle velocity of the pellets from his BB gun. She points the gun horizontally. On a vertical wall a distance 47.3 m away from the gun, a target is placed. The shots hit the target a vertical distance 0.10 m below the gun's barrel. What is the initial speed of the pellets? Your Answer: units Answer

Before jumping from the bridge, Martin throws his water bottle to a friend standing on the bank of the lake. The bridge is 7.0 m high. The friend is standing on the bank 15.0 m from the base of the bridge with their hand 1.0m above the ground. What speed must Martin throw the bottle horizontally for it to reach his friend's hand?

An arrow is launched horizontally from the top of a pyramid that is 100 m above the ground as shown in figure 1. If the arrow strikes the ground at a point 65.0 m horizontally away from and below the point of release. What is the speed of the arrow (in m/s) just before it strikes the ground?

A cannonball is shot from a cannon at a launch angle of 350 and an initial velocity of 147 m/s. Assuming NO air resistance, what is the intial horizontal velocity of the cannonball. 120 m/s 9.8 m/s 147 m/s 51.45 m/s Previous Page Next Page 99+ Page 2 of 5

A cannonball is shot from the edge of a 20-m-high vertical cliff with an initial speed of 50 m/s at an angle of 40o above the horizontal. Assume that the ground at the bottom of the cliff is flat and level. What will be the velocity of the cannonball in rectangular components (vx, Vy) when it hits the bottom? (See the diagram below.) Assume that g = 9.8 m/s? Vo = 50 m/s Vo. 400 Cannonball 20 m X a. (42.0 m/s, 21.0 m/s) b. (38.3 m/s, 37.7 m/s) O c. (25.0 m/s, 12.5 m/s) d. (34.8 m/s, 17.1 m/s) e. (40.0 m/s, 30.5 m/s)

A projectile is fired from a point 50 meter from a tall cliff at 75 m/sec and at angle of 50 degrees above the horizontal. It will strike the cliff at a point h above the cliff base. What is h? What is the final speed of the projectile when it hits the cliff in the problem above?

A boat traveling 37 m/s is approaching a waterfall. The waterfall is 50 meters high. How far does the boat travel horizontally before striking the water?

A golf ball is hit horizontally off the edge of a 29 m high cliff and lands a distance of 21 m from the edge of the cliff. What was the initial vertical velocity of the golf ball, in m/s? Answer: m/s